Psychiatric Conditions Following Traumatic Intracranial Hemorrhage: HEAD Helsinki Study
Overview
This study investigated the prevalence and characteristics of psychiatric disorders diagnosed after traumatic intracranial hemorrhage (tICH) over a 10-year follow-up in a large cohort. It highlights the significant burden of psychiatric morbidity post-tICH and identifies clinical factors associated with increased psychiatric risk.
Background
Traumatic brain injury (TBI) is a leading cause of disability worldwide, particularly among young adults. Traumatic intracranial hemorrhages (tICH) represent a severe subtype of TBI involving hemorrhagic brain damage. Psychiatric disorders are common after TBI but remain underrecognized and understudied, despite affecting nearly 40% of patients. Understanding the prevalence and risk factors for psychiatric morbidity following tICH is critical for improving patient outcomes.
Data Highlights
The study included 1539 adult patients with tICH admitted to Helsinki University Hospital in 2010, with follow-up data collected until 2019. Psychiatric diagnoses were identified using ICD-10 codes from secondary care records. Data on demographics, clinical features, hemorrhage characteristics, alcohol use, and prior psychiatric history were analyzed. Multivariable logistic regression assessed factors associated with psychiatric disorders and secondary psychiatric care treatment.
Key Findings
Approximately 40% of patients with tICH developed psychiatric disorders diagnosed in secondary care during the 10-year follow-up.
Common psychiatric conditions included depression, anxiety disorders, personality changes, and substance use disorders.
More severe brain injuries, indicated by lower Glasgow Coma Scale scores and larger hemorrhage volumes, were associated with higher psychiatric morbidity.
Abusive alcohol use prior to injury was a significant risk factor for developing post-tICH psychiatric disorders.
Patients with prior psychiatric history had increased likelihood of psychiatric diagnoses and treatment after tICH.
Only a subset of patients with psychiatric disorders received secondary level psychiatric care, indicating potential under-treatment.
Clinical Implications
Early identification and monitoring of psychiatric symptoms in patients with tICH are essential, especially in those with severe injuries or prior psychiatric and alcohol use history. Integrating psychiatric evaluation into TBI care pathways can improve detection and management of psychiatric sequelae. Awareness of the high prevalence of psychiatric disorders post-tICH should inform multidisciplinary rehabilitation and follow-up strategies.
Conclusion
Psychiatric disorders are common and clinically significant sequelae following traumatic intracranial hemorrhage. Recognizing risk factors and ensuring appropriate psychiatric care can enhance long-term outcomes for these patients.
References
HEAD Helsinki Study Group 2023 -- Psychiatric Conditions Following Traumatic Intracranial Hemorrhage
